Use this CAT6 550MHz reduced-length patch cable for connections within a relay rack or cabinet.
These are great for connecting patch panel to patch panel, or patch panel to network switch.
In addition they eliminate the need for horizontal cable management.

The cables have a overall length of 22.9cm including connectors but just 15cm length without connectors. They feature stranded, 24 AWG conductors, 4 pairs, and a PVC jacket. Choose from different colours: gray, blue, green, red, yellow, and black.